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Time-varying risk of microvascular complications in latent autoimmune diabetes of adulthood compared with type 2 diabetes in adults: a post-hoc analysis of the UK Prospective Diabetes Study 30-year follow-up data (UKPDS 86).
The Lancet Diabetes & Endocrinology ( IF 44.0 ) Pub Date : 2020-02-04 , DOI: 10.1016/s2213-8587(20)30003-6
Ernesto Maddaloni 1 , Ruth L Coleman 2 , Olorunsola Agbaje 2 , Raffaella Buzzetti 3 , Rury R Holman 2
Affiliation  

BACKGROUND Latent autoimmune diabetes of adulthood (LADA) differs in clinical features from type 2 diabetes. Whether this difference translates into different risks of complications remains controversial. We examined the long-term risk of microvascular complications in people enrolled in the UK Prospective Diabetes Study (UKPDS), according to their diabetes autoimmunity status. METHODS We did a post-hoc analysis of 30-year follow-up data from UKPDS (UKPDS 86). UKPDS participants with diabetes autoantibody measurements available and without previous microvascular events were included. Participants with at least one detectable autoantibody were identified as having latent autoimmune diabetes, and those who tested negative for all autoantibodies were identified as having type 2 diabetes. The incidence of the primary composite microvascular outcome (first occurrence of renal failure, renal death, blindness, vitreous haemorrhage, or retinal photocoagulation) was compared between adults with latent autoimmune diabetes and those with type 2 diabetes. The follow-up ended on Sept 30, 2007. Baseline and updated 9-year mean values of potential confounders were tested in Cox models to adjust hazard ratios (HRs). UKPDS is registered at the ISRCTN registry, 75451837. FINDINGS Among the 5028 participants included, 564 had latent autoimmune diabetes and 4464 had type 2 diabetes. After median 17·3 years (IQR 12·6-20·7) of follow-up, the composite microvascular outcome occurred in 1041 (21%) participants. The incidence for the composite microvascular outcome was 15·8 (95% CI 13·4-18·7) per 1000 person-years in latent autoimmune diabetes and 14·2 (13·3-15·2) per 1000 person-years in type 2 diabetes. Adults with latent autoimmune diabetes had a lower risk of the composite outcome during the first 9 years of follow-up than those with type 2 diabetes (adjusted HR 0·45 [95% CI 0·30-0·68], p<0·0001), whereas in subsequent years their risk was higher than for those with type 2 diabetes (1·25 [1·01-1·54], p=0·047). Correcting for the higher updated 9-year mean HbA1c seen in adults with latent autoimmune diabetes than in those with type 2 diabetes explained entirely their subsequent increased risk for the composite microvascular outcome (adjusted HR 0·99 [95% CI 0·80-1·23], p=0·93). INTERPRETATION At diabetes onset, adults with latent autoimmune diabetes have a lower risk of microvascular complications followed by a later higher risk of complications than do adults with type 2 diabetes, secondary to worse glycaemic control. Implementing strict glycaemic control from the time of diagnosis could reduce the later risk of microvascular complications in adults with latent autoimmune diabetes. FUNDING European Foundation for the Study of Diabetes Mentorship Programme (AstraZeneca).

中文翻译:

与成人2型糖尿病相比,成年潜伏性自身免疫性糖尿病中微血管并发症的时变风险:英国前瞻性糖尿病研究30年随访数据的事后分析(UKPDS 86)。

背景技术成人潜伏性自身免疫性糖尿病(LADA)的临床特征与2型糖尿病不同。这种差异是否转化为并发症的不同风险仍然存在争议。根据他们的糖尿病自身免疫状况,我们检查了参加英国前瞻性糖尿病研究(UKPDS)的人的微血管并发症的长期风险。方法我们对UKPDS(UKPDS 86)的30年随访数据进行了事后分析。包括可进行糖尿病自身抗体测量且无先前微血管事件的UKPDS参与者。具有至少一种可检测自身抗体的参与者被鉴定为患有潜在的自身免疫性糖尿病,而所有自身抗体均呈阴性的参与者被鉴定为患有2型糖尿病。比较了潜在的自身免疫性糖尿病成人和2型糖尿病患者的主要复合微血管结局(首次出现肾衰竭,肾脏死亡,失明,玻璃体出血或视网膜光凝)的发生率。随访于2007年9月30日结束。在Cox模型中测试了潜在混杂因素的基准值和更新的9年平均值,以调整危险比(HRs)。UKPDS已在ISRCTN注册中心进行了注册,注册号为75451837。结果在5028名参与者中,有564名患有潜在的自身免疫性糖尿病,有4464名患有2型糖尿病。在中位随访17·3年(IQR 12·6-20·7)后,1041名参与者(21%)发生了复合微血管结局。潜在的自身免疫性糖尿病的复合微血管结局发生率是每1000人年15·8(95%CI 13·4-18·7)和每1000人年14·2(13·3-15·2)在2型糖尿病中。潜在的自身免疫性糖尿病成人在随访的前9年比2型糖尿病患者具有更低的复合结局风险(校正后HR 0·45 [95%CI 0·30-0·68],p <0 ·0001),而在随后的几年中,他们的风险要高于2型糖尿病患者的风险(1·25 [1·01-1·54],p = 0·047)。校正潜伏性自身免疫性糖尿病成年人比2型糖尿病成年人中更新的9年平均HbA1c更高,这完全解释了他们随后发生复合微血管结局的风险增加(校正后HR 0·99 [95%CI 0·80-1 ·23],p = 0·93)。解释在糖尿病发作时,患有潜在自身免疫性糖尿病的成年人发生微血管并发症的风险要比患有2型糖尿病的成年人低,其后发生并发症的风险较高,这是由于血糖控制较差所致。从诊断开始就执行严格的血糖控制可降低潜在的自身免疫性糖尿病成人后期微血管并发症的风险。欧洲糖尿病研究指导计划基金会(阿斯利康)。
更新日期:2020-02-19
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